When we would further depict the changes in the physical land use per crops, rather than by the type of land, we should block the harvested land of the second crops against the rice planted areas.

• 因此，当我们进一步来描述作物的土地使用的变化，而不是土地的类型的时候，我们要把种植第二茬作物的土地与种植水稻的土地分隔开来。